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DE602004011431D1 - Verfahren und Vorrichtung zur MIMO Drahtlosen Kommunikation - Google Patents

Verfahren und Vorrichtung zur MIMO Drahtlosen Kommunikation

Info

Publication number
DE602004011431D1
DE602004011431D1 DE602004011431T DE602004011431T DE602004011431D1 DE 602004011431 D1 DE602004011431 D1 DE 602004011431D1 DE 602004011431 T DE602004011431 T DE 602004011431T DE 602004011431 T DE602004011431 T DE 602004011431T DE 602004011431 D1 DE602004011431 D1 DE 602004011431D1
Authority
DE
Germany
Prior art keywords
wireless communication
mimo wireless
mimo
communication
wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE602004011431T
Other languages
English (en)
Other versions
DE602004011431T2 (de
Inventor
Yuuta Nakaya
Takeshi Toda
Yasuyuki Oishi
Kaoru Yokoo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE602004011431D1 publication Critical patent/DE602004011431D1/de
Application granted granted Critical
Publication of DE602004011431T2 publication Critical patent/DE602004011431T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE602004011431T 2003-07-23 2004-03-17 Verfahren und Vorrichtung zur MIMO Drahtlosen Kommunikation Expired - Lifetime DE602004011431T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003200446 2003-07-23
JP2003200446A JP4212976B2 (ja) 2003-07-23 2003-07-23 Ｍｉｍｏ方式の無線通信システム及び無線通信装置

Publications (2)

Publication Number Publication Date
DE602004011431D1 true DE602004011431D1 (de) 2008-03-13
DE602004011431T2 DE602004011431T2 (de) 2009-02-19

Family

ID=33487639

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004011431T Expired - Lifetime DE602004011431T2 (de) 2003-07-23 2004-03-17 Verfahren und Vorrichtung zur MIMO Drahtlosen Kommunikation

Country Status (4)

Country Link
US (2) US7035672B2 (de)
EP (2) EP1890396B1 (de)
JP (1) JP4212976B2 (de)
DE (1) DE602004011431T2 (de)

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US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
JP4516358B2 (ja) * 2004-05-26 2010-08-04 富士通株式会社 無線基地局装置および無線通信方法
US8111789B2 (en) 2004-10-06 2012-02-07 Broadcom Corporation Method and system for channel estimation in a single channel MIMO system with multiple RF chains for WCDMA/HSDPA
US8098776B2 (en) 2004-10-06 2012-01-17 Broadcom Corporation Method and system for pre-equalization in a single weight spatial multiplexing MIMO system
DE602004026490D1 (de) * 2004-12-30 2010-05-20 Ericsson Telefon Ab L M Antenneneinrichtung für eine funkbasisstation in einem zellularen fernsprechsystem
JPWO2006126655A1 (ja) * 2005-05-25 2008-12-25 松下電器産業株式会社 無線送信装置、無線受信装置及び無線送信方法
US8102830B2 (en) 2005-12-16 2012-01-24 Samsung Electronics Co., Ltd. MIMO radio communication apparatus and method
JP2007166459A (ja) * 2005-12-16 2007-06-28 Samsung Electronics Co Ltd 無線通信装置及び無線通信方式
EP1843485B1 (de) * 2006-03-30 2016-06-08 Sony Deutschland Gmbh MIMO Raummultiplexsystem mit einer dynamischen Fähigkeit zum selektieren einer Antennenstrahlkombination.
JP4752602B2 (ja) * 2006-05-15 2011-08-17 株式会社日立製作所 Ｍｉｍｏ無線通信方法およびｍｉｍｏ無線通信装置
US7813709B2 (en) * 2006-08-16 2010-10-12 Panasonic Corporation MIMO antenna apparatus provided with variable impedance load element connected to parasitic element
TWI337462B (en) * 2006-09-26 2011-02-11 Realtek Semiconductor Corp Receiver of mimo multi-carrier system and associated apparatus and method for receive antenna selection
JP4840088B2 (ja) * 2006-11-08 2011-12-21 ソニー株式会社 無線通信システム、並びに無線通信装置及び無線通信方法
JP4910651B2 (ja) * 2006-11-16 2012-04-04 株式会社デンソー 通信統合レーダ装置、通信統合レーダシステム
US9253009B2 (en) * 2007-01-05 2016-02-02 Qualcomm Incorporated High performance station
US8362968B2 (en) 2007-02-28 2013-01-29 Nec Corporation Array antenna, radio communication apparatus, and array antenna control method
US7965782B1 (en) 2007-05-11 2011-06-21 Redpine Signals, Inc. Reduced complexity maximum likelihood decoder for MIMO communications
US20090046794A1 (en) * 2007-07-25 2009-02-19 Buffalo Inc. Multi-input multi-output communication device, antenna device and communication system
KR100963333B1 (ko) * 2007-12-18 2010-06-11 한국전자통신연구원 다중 안테나를 이용한 빔 형성 방법
US7778154B2 (en) * 2008-03-25 2010-08-17 Freescale Semiconductor, Inc. Techniques for reducing interference in a communication system
JP4561868B2 (ja) 2008-05-02 2010-10-13 ソニー株式会社 無線通信装置、無線通信方法、コンピュータプログラム及び無線通信システム
CN102037606B (zh) * 2008-05-23 2014-12-03 爱立信电话股份有限公司 用于桅杆振动补偿的系统和方法
US8180404B2 (en) * 2008-12-11 2012-05-15 At&T Mobility Ii Llc. Sharing antennas for increased multiple-input uplink reception
WO2011053220A1 (en) * 2009-10-30 2011-05-05 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for supporting uplink transmit diversity
JP5873735B2 (ja) * 2012-02-28 2016-03-01 富士通株式会社 無線通信装置、無線通信システム、および無線通信方法
US9252863B2 (en) * 2013-04-04 2016-02-02 Mbit Wireless, Inc. Method and apparatus for adaptive antenna sharing
US10628836B2 (en) * 2015-01-30 2020-04-21 Adobe Inc. Efficient computation of variable predictiveness
US10411772B1 (en) * 2017-07-26 2019-09-10 The United States Of America As Represented By The Secretary Of The Air Force Robust spectrally efficient line-of-sight (LOS) wireless communications with geometrically-distributed antenna arrays
JP6741174B2 (ja) * 2017-12-12 2020-08-19 株式会社村田製作所 高周波モジュールおよび通信装置
CN113075649B (zh) * 2021-03-30 2022-07-22 电子科技大学 一种适用于分布式网络化雷达的信号级直接定位方法

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JPH06326510A (ja) * 1992-11-18 1994-11-25 Toshiba Corp ビーム走査アンテナ及びアレーアンテナ
US6128276A (en) * 1997-02-24 2000-10-03 Radix Wireless, Inc. Stacked-carrier discrete multiple tone communication technology and combinations with code nulling, interference cancellation, retrodirective communication and adaptive antenna arrays
KR20000041527A (ko) * 1998-12-22 2000-07-15 최승원 라그랑제승수법에 의거한 적응 배열 안테나 시스템의 최적의 웨이트벡터 계산을 위한 신호처리 방법 및 장치
EP1079544A1 (de) * 1999-08-20 2001-02-28 Alcatel CDMA-Mobilfunksystem
US6771706B2 (en) * 2001-03-23 2004-08-03 Qualcomm Incorporated Method and apparatus for utilizing channel state information in a wireless communication system
JP3590008B2 (ja) 2001-08-15 2004-11-17 日本電信電話株式会社 Ｏｆｄｍ信号送信装置およびｏｆｄｍ信号受信装置
JP2003124856A (ja) * 2001-10-10 2003-04-25 Hitachi Kokusai Electric Inc アダプティブアレイアンテナ指向性制御システム
KR100464014B1 (ko) * 2002-03-21 2004-12-30 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 폐루프 신호 처리 방법
US6593882B1 (en) * 2002-03-26 2003-07-15 Telecis Technologies, Inc. Method for processing signal of adaptive array smart antenna in array smart antenna system
EP1547199A4 (de) * 2002-09-17 2005-10-26 Ipr Licensing Inc Mehrfachmusterantenne

Also Published As

Publication number Publication date
EP1501211A3 (de) 2006-05-24
DE602004011431T2 (de) 2009-02-19
EP1501211A2 (de) 2005-01-26
US20060131414A1 (en) 2006-06-22
EP1890396A2 (de) 2008-02-20
US7379759B2 (en) 2008-05-27
EP1890396A3 (de) 2010-06-16
US7035672B2 (en) 2006-04-25
JP2005045351A (ja) 2005-02-17
US20050020310A1 (en) 2005-01-27
EP1501211B1 (de) 2008-01-23
EP1890396B1 (de) 2012-10-31
JP4212976B2 (ja) 2009-01-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE